Yahoo / Msn & Microsoft Windows Winner Lottery Board Organisation. — about winnin prize

dear sir
i am basant kumar mishra. some time ago yahoo msn ask a question with me then i was give answer this question .then ten lucky winner select then he send a message that dear basant you are winner in microsoft online lottery 2008. is win . after that he will contact by mail and confirmed that you are winner of this lottery and we are provide you 7, 50, 000 great britan sterling pound. then second time contact a courier comapny. we are dispatched your winning prize but our charge is 30, 000 inr.and you will receive this parcel between 4-5 days. but courier charge is very high . then i send a proposal for it . i will not pay this amount befor when i not received our prize. but they confirmed that when you will not pay courier charge before receiving your dispatched is not permitted. sir you understand me how can possible it sir i am student & freshers job holder how can pay it . i saying when i received my prize then i will pay courier charge.